Toshiba RB-RWS21-E User manual

English
Model name:
RB-RWS21-E
• Read this manual before using the RB-RWS21-E
remote controller.
• Refer to the Owner’s Manual supplied with the
indoor unit for any instructions other than
operations of the remote controller.
Wired Remote Controller
Owner’s Manual

–1–
Owner’s Manual
Contents
1 Precautions for Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2 Before Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3 Part Names and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
4 Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Running operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Changing the fan speed. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Changing the temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Monitor screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Menu operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5 Menu Items. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1.Wind direction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.Individual louver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.Louver setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.QUIET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5.ECO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
6.Hi POWER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
7.Schedule timer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
8.Filter sign reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
9.Initial setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
10.Occupancy sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
11.Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
6 Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
7 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

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Owner’s Manual
EN
1Precautions for Safety
• Read these “Precautions for Safety” carefully before using.
• The precautions described below include important items regarding safety. Observe them without fail.
Understand the following details (indications and symbols) before reading the body text, and follow the
instructions.
• Keep this Manual at accessible place for future reference.
WARNING
Installation
•Do not attempt to install the air conditioner yourself.
Ask your dealer or a contractor with specialized experience to install the air conditioner. Electric shocks and / or a fire may
result if you attempt to install the air conditioner yourself and the air conditioner ends up not being installed perfectly.
•Use only with the authorized air conditioner units.
Be absolutely sure to use only the authorized air conditioner units designated by the manufacturer.
Also, ask a contractor with specialized experience to install them. Electric shocks and / or a fire may result if you attempt to
install the parts yourself and the parts end up not being installed perfectly.
Operation
•Do not operate the buttons with wet hands.
Failure to heed this warning may result in electric shocks and / or trouble.
•Do not get the control unit wet.
Take steps to avoid getting the control unit wet. Failure to heed this warning may result in electric shocks, a fire and
/ or trouble.
•If trouble (such as the smell of burning) has occurred, stop operation and turn off the main power switch.
Allowing operation to continue while the trouble has not been remedied may cause electric shocks, a fire and / or
trouble. Consult your dealer.
Relocation
•Do not undertake any repair work yourself.
Under no circumstances must you attempt to do any repair work yourself.
Instead, consult your dealer or a contractor with specialized experience. Electric shocks and / or a fire may result if you
attempt to do repair work yourself and this work ends up not being carried out perfectly.
•Consult your dealer when the control unit is to be relocated and re-installed.
Indication Meaning of Indication
WARNING Text set off in this manner indicates that failure to adhere to the directions in the warning could result in
serious bodily harm (*1) or loss of life if the product is handled improperly.
CAUTION Text set off in this manner indicates that failure to adhere to the directions in the caution could result in
minor bodily injury (*2) or damage (*3) to property if the product is handled improperly.
*1: Serious bodily harm indicates loss of eyesight, injury, burns, electric shock, bone fracture, poisoning, and other
injuries which leave aftereffect and require hospitalization or long-term treatment as an outpatient.
*2: Bodily injury indicates injury, burns, electric shock, and other injuries which do not require hospitalization or long-
term treatment as an outpatient.
*3: Damage to property indicates damage extending to buildings, household effects, domestic livestock, and pets.

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Owner’s Manual
CAUTION
Installation
•Do not install the remote controller unit where there are high levels of moisture, oils, grease or vibration.
Failure to heed this caution may cause trouble.
•Do not install the remote controller unit direct sunlight or near a heat source.
Failure to heed this caution may cause malfunctioning.
•Do not install the remote controller unit where there are sources of electro-magnetic noise.
Failure to heed this caution may cause unintended operation.
Operation
•Do not drop the product or subject it to strong impact.
Failure to heed this caution may cause malfunctioning.
2Before Use
Operate the remote controller according to the following procedure when it is used for the first time or when the
settings are changed. Pushing the [ ON/OFF] button starts running the air conditioning unit with the settings
made on the remote controller from the next time.
Preparation
Turn on the circuit breaker.
• “ Setting” appears on the display of the remote controller when the power is turned on.
* When the power is turned on, it takes about 5 minutes before the remote controller becomes operable. This is not
a malfunction.
• For initial settings, refer to “9. Initial setting” on page 25.
NOTE
• Do not turn off the circuit breaker during the season using the air conditioning unit.
• Turn on the circuit breaker 12 hours or more before starting running the air conditioning unit when the unit has not
been used for an extended period of time.

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Owner’s Manual
EN
3Part Names and Functions
1[MONITOR] button
Displays the monitoring screen.
(page 7)
2[MENU] button
Displays the menu screen.
(page 8)
3[ CANCEL] button
Functions as indicated on the screen, such as
returning to the previous menu screen.
(page 8)
4[∧] button
During normal operation: adjusts the temperature.
On the menu screen: selects a menu item.
(page 8)
5[ ∨] button
During normal operation: adjusts the temperature.
On the menu screen: selects a menu item.
(page 8)
6[F1] button
Varies its function according to the setting screen.
(page 6)
7[F2] button
Varies its function according to the setting screen.
(page 6)
8[ON/OFF] button
(page 6)
1
2
3
7
8
4,5
6
24
Room A
12:00
Mode Fan Speed
Cool
Temperature sensor
The button LED lights while the air
conditioning unit is running.
Model name label

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Owner’s Manual
Display
▼Icon list
*1 Refer to the Installation Manual supplied with the remote controller.
▼Other icon list
• Other icons appear on the display only one type when function is enabled.
Shows the remote controller sensor is
activated. (*1)
Shows a timer function is activated.
(page 20)
Shows the central control device prohibits the
use of the remote controller (*1)
Shows the filter needs to be cleaned.
(page 24)
Show in defrosting operation and preheat. Shows the setting of the louver.
(page 11, 12)
Quiet mode
(page 18)
ECO Eco mode
(page 18)
Hi POWER Hi power mode
(page 19)
Room A
12:00
Mode Fan Speed
Cool
!

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Owner’s Manual
EN
4Operations
Running operation
* Some operation modes are not available depending on the type of indoor unit.
Changing the fan speed
* The available fan speed vary depending on the indoor unit connected.
Changing the temperature
1Push the [ ON/OFF] button to start
running.
2Push the “ Mode” [ F1] button
to select the operation mode.
The operation mode changes as follows each
time the button is pushed.
3Push the [ ON/OFF] button to stop
running.
1Push the “ Fan speed” [ F2]
button to select the fan speed.
The fan speed changes as follows each time the
button is pushed.
“ ” appears on the display when the
connected indoor unit is not equipped with the
fan speed.
Dry operation is “ ” fixed.
1Push the [ ∧] / [ ∨] button to adjust
the temperature.
Push the [ ∧] button to raise the
temperature setting, push the [ ∨] button
to lower it.
• The temperature cannot be adjusted when
“Fan” is selected as the operation mode.
Room A
12:00
Mode Fan Speed
Cool
Mode
Auto Cool Dry Heat Fan
Fan speed
Auto
High Med+
MedLow+Low

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Owner’s Manual
Monitor screen
Check the current usage status.
NOTE
Total running hour
• The operating time is recorded on the remote controller.
• The time is not recorded during self clean operation or fan operation.
Temperature around the outdoor unit
• Displays the temperature around the vent of the outdoor unit.
• The displayed temperature may differ from the actual outdoor temperature.
Filter remaining hour
• The filter remaining hour is not displayed when the filter cleaning timer of the indoor unit is not set.
Others
• The screen returns to the previous display if no operation is performed for 60 seconds.
• When using a Remote sensor or a sensor with Wired remote controller, the setting temperature may not be controlled
accurately due to a difference between the temperature of their sensor and room temperature that can arise due to
radiant heat effects of the wall etc.
Activating the key lock function
1Push [ MONITOR] button.
The monitor screen appears.
2Push [ CANCEL] button to return.
(1) Displays the set temperature.
(2) Displays the temperature measured by the room
temperature sensor of the indoor unit.
If the sensor is set to that of the remote controller,
the temperature measured by the remote sensor is
displayed.
(3) Displays the temperature around the vent of the
outdoor unit.
(4) Displays the remaining time until the filter sign lights
up.
(5) Displays the accumulated operating time.
• Push and hold the [ CANCEL] button for more
than 4 seconds to activate the key lock function.
Push and hold the [ CANCEL] button for more
than 4 seconds again to release the key lock.
• “ ” appears on the screen when the button set to be
locked is pushed while the key lock function is
activated.
• Select the buttons to be locked from “Key lock” in
“9. Initial setting" on the menu screen. (page 27)
24
Room A
12:00
Mode Fan Speed
Cool
Set temp. 24°C
24°C
35°C
2500
10480
Control temp.
Outdoor temp.
Filter remaining hour
Total running hour
Monitor
Return
(1)
(2)
(3)
(4)
(5)
Room A 12:00

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Owner’s Manual
EN
Self clean operation
Menu operation
* Refer to the next pages for details about the menu screen.
• The self clean operation is the function to dry inside
the air conditioner after the “Auto” (cooling), “Cool”,
or “Dry” operation so that the inside of air conditioner
is kept clean.
• The self clean operation time differs depending on
the time of the “Auto” (cooling), “Cool”, or “Dry”
operation.
* These are approximate times. They differ depending on
the type of indoor unit.
• Push the [ ON/OFF] button twice to stop the
self clean operation forcibly.
•“ Self clean” appears on the screen while the self
clean operation is in progress.
The LED of the [ ON/OFF] button turns off.
• Refer also to the Owner’s Manual supplied with the
indoor unit about the self clean operation.
1Push the [ MENU] button.
2Push the [ ∧] / [ ∨] button to select
an item.
The selected item is highlighted.
3Push the “ Set” [ F2] button.
The setting screen appears.
4(To undo)
Push the [ CANCEL] button to return.
The screen returns to the previous screen.
Room A
12:00
Time of the “Auto” (cooling),
“Cool”, or “Dry” operation
self clean operation
time
Less than 10 minutes
The self clean
operation is not
performed.
10 minutes or more 30 minutes*
Set
Return
Menu
(1/3)
1.Wind direction
2.Individual louver
3.Louver setting
4.QUIET
5.ECO
Set

–9–
Owner’s Manual
5Menu Items
MENU
1. Wind direction
2. Individual louver
3. Louver setting
Swing type
Louver lock
4. QUIET
5. ECO
6. Hi POWER
7. Schedule timer
Schedule timer
Condition setting
8. Filter sign reset
9. Initial setting
Clock
Name of room
Screen contrast
Backlight
Key lock
Header/Follower
Language
Press & hold 4 sec.
Holiday setting
Clock display

–10–
Owner’s Manual
EN
About symbols in this manual
The meanings of symbols used in this manual are as follows:
Running Indicates the operation is available only while the air conditioner is running.
11. Information
Model information
Service information
10. Occupancy sensor

–11–
Owner’s Manual
1. Wind direction
Wind direction
* Set the wind direction.
CAUTION
Refer to the instructions (for the wind direction adjustment) in the Owner’s Manual supplied with the indoor unit before
setting.
Before setting
Turning on/off the louver swing
To swing the louver
1Push the [ ∧] / [ ∨] button to select
“1. Wind direction” on the menu screen,
then push the “ Set” [ F2]
button.
2Push the [ ∧] / [ ∨] button to select
the wind direction.
3Push the [ CANCEL] button to return.
The screen returns to the menu screen.
1Push the “ Swing ON” [ F2]
button on the “Wind direction” screen.
Pushing the [ ∧] / [ ∨] button on the
“Wind direction” screen while the louver swing
is on stops swinging and sets the wind direction
to (1).
2Push the [ CANCEL] button.
The screen returns to the menu screen.
Return
Wind direction
Swing ON
Louver
Set
(1) (2) (3) (4) (5)
Operation mode Available directions
Heat, Fan,
Auto (heating) (1)(2)(3)(4)(5)
Cool, Dry,
Auto (cooling) (1)(2)(3)
Wind direction
Return
Swing OFF
Louver
*
* When the louver is stopped,
“ Swing ON” is displayed.
Swing ON
Swing ON

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Owner’s Manual
EN
To stop the louver swing
1Push the “ Swing OFF” [ F2]
button on the “Wind direction” screen.
Push the “ Swing OFF” [ F2]
button to stop swinging. The louver stops in the
position where the button is pushed.
• The louver does not stop in the position (4) or
(5) when the operation mode is “Cool” or “Dry”.
The louver stops in the position (3) even if the
button is pushed when the louver is in the
position (4) or (5)
• Pushing [ ∧] / [ ∨] while the display
when the louver swing is stopped appears on
the screen sets the louver in the position (1).
2Push the [ CANCEL] button.
The screen returns to the menu screen.
NOTE
• “ No function” appears on the display for the models not equipped with the Wind direction setting.
• “ ” appears on the display when the Louver lock function is used. (page 16)
Wind direction
Return
Swing ON
Louver
*
* When the louver is swinging,
“ Swing OFF” is displayed.
Swing OFF
Swing OFF
Swing OFF
Fan, Heat Cool, Dry
Display when the louver swing is stopped

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Owner’s Manual
2. Individual louver
Individual louver
* For compact 4-way cassette types, the wind direction and swing operation of each louver can be set individually.
1Push the [ ∧] / [ ∨] button to select
“2. Individual louver” on the menu screen,
push the “ Set” [ F2] button.
2Push the “ Louver No.” [ F1]
button to select the louver to set.
The display changes as follows each time the
button is pushed.
3Push the [ ∧] / [ ∨] button to select
the wind direction.
Refer to “Wind direction” about how to set the
wind direction. (page 11)
4Push the [ CANCEL] button.
The screen returns to the menu screen.
Individual louver
Return
Swing ONLouver No.
Louver
24
3
1
Set
Louver No.
Louver 1 Louver 2 Louver 3 Louver 4 All
Louver No.
<Compact 4-Way Cassette type>
Refrigerant pipeDrain pipe

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Owner’s Manual
EN
Turning on/off the louver swing
To swing the louver
To stop the louver swing
1Push the “ Swing ON” [ F2]
button on the “Individual louver” screen.
2Push the [ CANCEL] button.
The screen returns to the menu screen.
1Push the “ Swing OFF” [ F2]
button on the “Individual louver” screen.
2Push the [ CANCEL] button.
The screen returns to the menu screen.
NOTE
• “ No function” appears on the display for the models not equipped with the Individual louver setting.
• Pushing [ ∧] / [ ∨] while the louver is swinging stops swinging and sets the louver in the position (1).
• “ ” appears on the display when the Louver lock function is used. Individual louver setting is not available for the
louver set to be locked. (page 16)
Individual louver
Return
Swing OFFLouver No.
Louver
24
3
1
*
* When the louver is stopped,
“ Swing ON” is displayed.
Swing ON
Swing ON
Individual louver
Return
Swing ONLouver No.
Louver
24
3
1
*
* When the louver is swinging,
“ Swing OFF” is displayed.
Swing OFF
Swing OFF

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Owner’s Manual
3. Louver setting
Swing type
* Select the louver swing type from the standard swing, dual swing or cyclic swing.
Carry out the setting operation while the indoor unit is stopped. (Turn off the air conditioning unit before starting the
setting operation.)
Before setting
1Push the [ ∧] / [ ∨] button to select
“3. Louver setting” on the menu screen,
then push the “ Set” [ F2]
button.
2Push the [ ∧] / [ ∨] button to select
“1.Swing type”, then push the “
Set” [ F2] button.
3Push the [ ∧] / [ ∨] button on the
“Swing type” screen to select the swing
type.
Refer to the Owner’s Manual supplied with the
indoor unit about the swing type.
4Push the [ MENU] button.
“ Setting” appears on the display.
The unit selection screen appears when the
group control is used. Push the [ CANCEL]
button on the unit selection screen to finish the
setting operation. “ Setting” appears on the
display.
NOTE
• “ No function” appears on the display for the models not equipped with the Swing type setting.
• Push the [ CANCEL] button to stop the setting procedure. No setting has been made and the screen returns to
“Louver setting”.
Louver setting
1.Swing type
2.Louver lock
Return
Set
Set
Set
Swing type
Return Fix
Standard
Dual
Cycle

–16–
Owner’s Manual
EN
Louver lock
* The direction of the louver can be locked individually.
Carry out the setting operation while the indoor unit is stopped. (Turn off the air conditioning unit before starting the
setting operation.)
Before setting
1Push the [ ∧] / [ ∨] button to select
“3. Louver setting” on the menu screen,
then push the “ Set” [ F2]
button.
2Push the [ ∧] / [ ∨] button to select
“2.Louver lock”, then push the “
Set” [ F2] button.
3Push the “ Louver No.” [ F1]
button to select the louver to set.
The display changes as follows each time the
button is pushed.
Refer to the section on “Individual Louver” on
page 13 for the louver number by model.
4Push the [ ∧] / [ ∨] button to select
the louver (wind) direction.
Push the [ ∧] button to move the louver
upward. Push the [ ∨] button to move it
downward.
5Push the [ MENU] button.
“ Setting” appears on the display.
Louver setting
1.Swing type
2.Louver lock
Return
Set
Set
Set
Louver lock
Return Fix
Louver No.
24
3
1
Louver No.
Louver 1 Louver 2 Louver 3 Louver 4 All
(1) (2) (3) (4) (5) Not
locked
Louver lock
Return Fix
Louver No.
1
4
3
2

–17–
Owner’s Manual
NOTE
• “ No function” appears on the display for the models not equipped with the Louver lock setting.
• Push the [ CANCEL] button to stop the setting procedure. No setting has been made and the screen returns to
“Louver setting”.
• “ ” appears on the display when the Louver lock function is used.
• Push the [ ∧] / [ ∨] button repeatedly to select the “Not locked” setting as the louver direction to release
the lock.
• Condensation may occur if the louver is locked in the position (4) or (5) while cooling.

–18–
Owner’s Manual
EN
4. QUIET
To operate at super low fan speed for quiet operation (except in Dry mode).
5. ECO
To automatically control room to save energy (except in Dry and Fan mode).
NOTE
• Cooling operation, the set temperature will increase automatically 1 degree / hour for 2 hours (maximum 2 degrees
increase).
• For heating operation the set temperature will decrease.
• Display set temperature is not change.
1Push the [ ∧] / [ ∨] button to select
“4. QUIET” on the menu screen, then push
the “ Set” [ F2] button.
Start and stop the operation.
Fan speed change “ ” and “ ” appears on
the screen while QUIET operate.
1Push the [ ∧] / [ ∨] button to select
“5. ECO” on the menu screen, then push the
“ Set” [ F2] button.
Start and stop the operation.
“ECO” appears on the screen while ECO
operate.
Menu(1/3)
1.Wind direction
2.Individual louver
3.Louver setting
4.QUIET
5.ECO
Return
Set
Set
08:55
Mode Fan Speed
Heat
Menu(1/3)
1.Wind direction
2.Individual louver
3.Louver setting
4.QUIET
5.ECO
Return
Set
Set
08:55
Mode Fan Speed
Heat
ECO

–19–
Owner’s Manual
6. Hi POWER
To automatically control room temperature and cooling (or heating) capacity for faster cooling (or heating)
operation (except in Dry and Fan mode).
1Push the [ ∧] / [ ∨] button to select
“6. Hi POWER” on the menu screen, then
push the “ Set” [ F2] button.
Start and stop the operation.
“Hi POWER” appears on the screen while
Hi POWER operate.
Menu(2/3)
6.Hi POWER
7.Schedule timer
8.Filter sign reset
9.Initial setting
10.Occupancy sensor
Return
Set
Set
08:55
Mode Fan Speed
Heat
Hi POWER